/Engine/Source/Runtime/MeshDescription/Public/MeshAttributeArray.h
Note that the returned object is a value type which should be assigned and passed by value, not reference. It is valid for as long as thisTAttributesSetobject exists.
template<typename T> TMeshAttributesConstRef< ElementIDType, typename [TMeshAttributesRefType](API\Runtime\MeshDescription\TMeshAttributesRefType)< T >::ConstRefType > GetAttributesRef ( const [FName](API\Runtime\Core\UObject\FName) AttributeName ) const